Portable surface treating apparatus

Details Portable surface treating apparatus Portable surface treating apparatus

1976-01-21

1977-10-11

Smith, Al Lawrence

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51429, B24C 300

Patent

active

040528200

ABSTRACT:
A portable apparatus for treatment of surfaces, preferably horizontal, comprising a centrifugal wheel for projecting abrasive particles onto the surface at an angle within the range of 30.degree. to 80.degree. with the surface, a hopper for supplying abrasive particles to the wheel, a rebound corridor extending angularly upwardly preferably to a level above the hopper and into which the abrasive particles rebound upon striking the surface and means for returning abrasive particles rebounding through the corridor to the hopper, means for intercepting abrasive particles which do not possess sufficient kinetic energy to rebound through the corridor to prevent return of said abrasive particles to the surface, and means for displacement of intercepted abrasive particles to the hopper.

REFERENCES:
patent: 3877175 (1975-04-01), Snyder
patent: 3900969 (1975-08-01), Diehn
patent: 3934373 (1976-01-01), Leliaert et al.
patent: 3977128 (1976-08-01), Goff

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